贝隆精密：公司在智能手机领域为舜宇光学、安费诺、三星电机、TDK集团等细分行业龙头企业提供结构件产品

Group 1 - The company, Beilong Precision (301567.SZ), has confirmed its products are utilized in the smartphone supply chains of major brands like Huawei and Apple [2] - In the smartphone sector, the company provides structural components such as lens tubes, isolation rings, pressure rings, lens seats, bases, carriers, shielding covers, and VCM motors to industry leaders including Sunny Optical, Amphenol, Samsung Electro-Mechanics, and TDK [2] - The products are widely applied in both Android and iOS operating system smartphones [2]